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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-31 20:29:07 +0200 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-08-04 14:52:57 +0200 |
commit | 5d8d9a4d9ff74c55901642b4e2ac5124830ddafe (patch) | |
tree | 9f171aa61048cf5c154597466af21ea7c4d701a2 /net | |
parent | NFS: Fix the NFS users of rpc_restart_call() (diff) | |
download | linux-5d8d9a4d9ff74c55901642b4e2ac5124830ddafe.tar.xz linux-5d8d9a4d9ff74c55901642b4e2ac5124830ddafe.zip |
NFS: Ensure the AUTH_UNIX credcache is allocated dynamically
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/sunrpc/auth.c | 19 | ||||
-rw-r--r-- | net/sunrpc/auth_generic.c | 12 | ||||
-rw-r--r-- | net/sunrpc/auth_unix.c | 15 | ||||
-rw-r--r-- | net/sunrpc/sunrpc_syms.c | 15 |
4 files changed, 36 insertions, 25 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 73affb8624fa..db135543d21e 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c @@ -587,14 +587,27 @@ static struct shrinker rpc_cred_shrinker = { .seeks = DEFAULT_SEEKS, }; -void __init rpcauth_init_module(void) +int __init rpcauth_init_module(void) { - rpc_init_authunix(); - rpc_init_generic_auth(); + int err; + + err = rpc_init_authunix(); + if (err < 0) + goto out1; + err = rpc_init_generic_auth(); + if (err < 0) + goto out2; register_shrinker(&rpc_cred_shrinker); + return 0; +out2: + rpc_destroy_authunix(); +out1: + return err; } void __exit rpcauth_remove_module(void) { + rpc_destroy_authunix(); + rpc_destroy_generic_auth(); unregister_shrinker(&rpc_cred_shrinker); } diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 8f623b0f03dd..8bae33b36cc6 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -27,7 +27,6 @@ struct generic_cred { }; static struct rpc_auth generic_auth; -static struct rpc_cred_cache generic_cred_cache; static const struct rpc_credops generic_credops; /* @@ -159,20 +158,16 @@ out_nomatch: return 0; } -void __init rpc_init_generic_auth(void) +int __init rpc_init_generic_auth(void) { - spin_lock_init(&generic_cred_cache.lock); + return rpcauth_init_credcache(&generic_auth); } void __exit rpc_destroy_generic_auth(void) { - rpcauth_clear_credcache(&generic_cred_cache); + rpcauth_destroy_credcache(&generic_auth); } -static struct rpc_cred_cache generic_cred_cache = { - {{ NULL, },}, -}; - static const struct rpc_authops generic_auth_ops = { .owner = THIS_MODULE, .au_name = "Generic", @@ -183,7 +178,6 @@ static const struct rpc_authops generic_auth_ops = { static struct rpc_auth generic_auth = { .au_ops = &generic_auth_ops, .au_count = ATOMIC_INIT(0), - .au_credcache = &generic_cred_cache, }; static const struct rpc_credops generic_credops = { diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c index aac2f8b4ee21..d5e37dbf207b 100644 --- a/net/sunrpc/auth_unix.c +++ b/net/sunrpc/auth_unix.c @@ -29,7 +29,6 @@ struct unx_cred { #endif static struct rpc_auth unix_auth; -static struct rpc_cred_cache unix_cred_cache; static const struct rpc_credops unix_credops; static struct rpc_auth * @@ -203,9 +202,14 @@ unx_validate(struct rpc_task *task, __be32 *p) return p; } -void __init rpc_init_authunix(void) +int __init rpc_init_authunix(void) { - spin_lock_init(&unix_cred_cache.lock); + return rpcauth_init_credcache(&unix_auth); +} + +void rpc_destroy_authunix(void) +{ + rpcauth_destroy_credcache(&unix_auth); } const struct rpc_authops authunix_ops = { @@ -219,17 +223,12 @@ const struct rpc_authops authunix_ops = { }; static -struct rpc_cred_cache unix_cred_cache = { -}; - -static struct rpc_auth unix_auth = { .au_cslack = UNX_WRITESLACK, .au_rslack = 2, /* assume AUTH_NULL verf */ .au_ops = &authunix_ops, .au_flavor = RPC_AUTH_UNIX, .au_count = ATOMIC_INIT(0), - .au_credcache = &unix_cred_cache, }; static diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c index f438347d817b..34b58f9e704a 100644 --- a/net/sunrpc/sunrpc_syms.c +++ b/net/sunrpc/sunrpc_syms.c @@ -33,10 +33,11 @@ init_sunrpc(void) if (err) goto out; err = rpc_init_mempool(); - if (err) { - unregister_rpc_pipefs(); - goto out; - } + if (err) + goto out2; + err = rpcauth_init_module(); + if (err) + goto out3; #ifdef RPC_DEBUG rpc_register_sysctl(); #endif @@ -47,7 +48,11 @@ init_sunrpc(void) cache_register(&unix_gid_cache); svc_init_xprt_sock(); /* svc sock transport */ init_socket_xprt(); /* clnt sock transport */ - rpcauth_init_module(); + return 0; +out3: + rpc_destroy_mempool(); +out2: + unregister_rpc_pipefs(); out: return err; } |